X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matitaB%2Fmatita%2FmatitaAuthentication.ml;h=77aeed15f599c24f73d476b71e81aad45cc593d3;hb=fba2975ffd09ffb30a60500725c9991421445f37;hp=06e7d9451b719144ecb7ca613da3650b6bcf40a6;hpb=6c702f5054d7975f76911ba62da9bfa33d3ed0fa;p=helm.git

diff --git a/matitaB/matita/matitaAuthentication.ml b/matitaB/matita/matitaAuthentication.ml
index 06e7d9451..77aeed15f 100644
--- a/matitaB/matita/matitaAuthentication.ml
+++ b/matitaB/matita/matitaAuthentication.ml
@@ -30,8 +30,8 @@ type user = string * (string * session_id option)
 
 let user_tbl = (ref [] : user list ref)
 
-(* session table: (user id, session id), matita status *)
-type session = (string * session_id) * MatitaEngine.status 
+(* session table: session id, (user id, matita status, matita history *)
+type session = session_id * (string * MatitaEngine.status * MatitaEngine.status list)
 
 let session_tbl = (ref [] : session list ref)
 
@@ -39,24 +39,49 @@ exception UsernameCollision of string
 
 let lookup_user uid = List.assoc uid !user_tbl
 
-let create_session uid status =
+let user_of_session sid = let res,_,_ = List.assoc sid !session_tbl in res
+
+let create_session uid =
+  let status = new MatitaEngine.status (Some uid) "cic:/matita" in
+  let history = [status] in
   let pw,sid = List.assoc uid !user_tbl in
   let clean_utbl = List.remove_assoc uid !user_tbl in
   let new_session = Uuidm.create `V4 in
   user_tbl := (uid,(pw,Some new_session))::clean_utbl;
   let clean_stbl = match sid with
     | Some sid' -> 
-       List.remove_assoc (uid,sid') !session_tbl
+       List.remove_assoc sid' !session_tbl
     | _ -> !session_tbl
-  in session_tbl := ((uid,new_session),status)::clean_stbl
+  in 
+  session_tbl := (new_session,(uid,status,history))::clean_stbl;
+  new_session
 ;;
 
-let logout_user uid =
-  match List.assoc uid !user_tbl with
-  | _,None -> ()
-  | pw, Some sid ->
-     user_tbl := (uid,(pw,None))::List.remove_assoc uid !user_tbl;
-     session_tbl := List.remove_assoc (uid,sid) !session_tbl
+let get_session_owner sid =
+  let uid,_,_ = List.assoc sid !session_tbl
+  in uid
+
+let get_status sid =
+  let _,st,_ = List.assoc sid !session_tbl
+  in st
+
+let get_history sid = 
+  let _,_,hist = List.assoc sid !session_tbl
+  in hist
+
+let set_status sid st =
+  let uid, oldst, hist = List.assoc sid !session_tbl in
+  session_tbl := (sid,(uid,st,hist))::(List.remove_assoc sid !session_tbl)
+   
+let set_history sid hist =
+  let uid, st, oldhist = List.assoc sid !session_tbl in
+  session_tbl := (sid,(uid,st,hist))::(List.remove_assoc sid !session_tbl)
+
+let logout_user sid =
+  let uid,st,hist = List.assoc sid !session_tbl in
+  let pw,_ = List.assoc uid !user_tbl in
+  user_tbl := (uid,(pw,None))::List.remove_assoc uid !user_tbl;
+  session_tbl := List.remove_assoc sid !session_tbl
 ;;
 
 let remove_user uid =
@@ -79,9 +104,13 @@ let serialize () =
 ;;
 
 let deserialize () =
-  let utbl_ch = open_in (config_path () ^ "/usertable.dump") in
-  user_tbl := Marshal.from_channel utbl_ch;
-  close_in utbl_ch;
+  (try
+    let utbl_ch = open_in (config_path () ^ "/usertable.dump") in
+    user_tbl := Marshal.from_channel utbl_ch;
+    close_in utbl_ch;
+  with
+    | Sys_error _ -> 
+       user_tbl := []; serialize());
   (* old_sessions are now invalid *)
   session_tbl := [];
 ;;
@@ -91,6 +120,14 @@ let add_user uid pw =
     let _ = lookup_user uid in
     raise (UsernameCollision uid)
   with Not_found -> 
+    MatitaFilesystem.checkout uid;
     user_tbl := (uid,(pw,None))::!user_tbl;
     serialize ()
 ;;
+
+let reset () =
+  user_tbl := [];
+  session_tbl := [];
+  MatitaFilesystem.reset_lib ();
+  serialize ();
+;;